PEOPLE PLZ HELP I LOVE MY BOYFRIEND?

tonight some guy called called me and well he thought wrong .he thought that the guy had something to do with me so obviously he does not so i told him the truth ...well after that my bf wanted to go through my phone and well i kinda had a picture of a guy friend and me and i KNOW HE WE THINK WRONG so i told him NOOO u kant NOT LOOK THROUGH MY PHONE soo he got mad like really mad I KNOW I WAS DUMB enough to save the pics buh wat i do now....wat story cud i make up so he might feel dumb or be like ooh damn i got mad for nothing PLZ people give me ideas of something i cud make up PLZ